导入头文件:
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固定写法 #include
头文件名称 <iostream>
创建命名空间:
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固定写法(使用) using
固定写法(命名空间)namespace
命名空间名称 std
主函数:
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序号 注意 ① 任何 C++ 程序的主函数均是 main() 函数 ② 任何 C++ 程序有且仅有一个 main() 函数 ③ 任何 C++ 程序 main() 函数均是唯一入口
固定写法(程序入口) int main() {
固定写法(程序出口) return 0; }
程序主体:
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结合:
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拜拜~~~